var xmlHttp = createXmlHttpRequestObject();
function createXmlHttpRequestObject() {
	var xmlHttp;
	try {
		xmlHttp = new XMLHttpRequest();
	}
	catch(e) {
		var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.5.0","MSXML2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP");
		for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) {
			try {
				xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
			}
			catch(e) {}
		}
	}
	
	
	if (!xmlHttp) alert ("Error creating the XMLHttpRequest object.");
	else return xmlHttp;
}

function response(param1) {
	if (xmlHttp) {
		try {
			xmlHttp.open("GET","/ajax/response.php?param1=" + param1, true);
			xmlHttp.onreadystatechange = handleRequestStateChange;
			xmlHttp.send(null);
		}
		catch(e) {
			alert("Can't connect to server:\n" + e.toString());
		}
	}
}

function handleRequestStateChange() {
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status ==200) {
			try {
				handleServerResponse();
			}
			catch(e) {
				//alert ("Error reading the response: " + e.toString());
			}
		}
		else {
			alert("There was a problem retrieving the data:\n" + xmlHttp.statusText);
		}
	}
}

function handleServerResponse() {
	var xmlResponse = xmlHttp.responseText;
	$('#products').html(xmlResponse);
	responseSizes();
}